Touchscreen Smartwatch Case Thickness: 12 mm; Case Size: 42 mm; Band Width: 20 mm; Band Circumference: 200+/- 5 mm; Band Material: Leather; Water Resistant: 1 ATM/IP67 Compatibility: Android 5+, iOS 9+/iPhone 5+; Connectivity: Bluetooth Smart Enabled / 4.1 Low Energy; Battery Life: 24-Hour battery life **Based on usage** The design of the Skagen boxes is always different and changes with each season Quarz Skagen